According to the chapter Mad About Youabout sex differences in jealousy, a woman can be certain that

an offspring that she gives birth to is genetically related to her.

Without DNA testing, a man cannot be
100% certain that a child is his genetic relative. What is this phenomenon called? (a) parental investment theory
(b) the principle of paternity uncertainty
(c) the theory of parent-offspring conflict
(d) the theory of reciprocal altruism

B

Psychology

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The two basic functions of theories are to

a. explain and modify behavior. b. describe and modify behavior. c. describe and explain behavior. d. explain and predict behavior.

Psychology

If improvement with psychostimulants is going to occur, it will become apparent ______________

a. within 6 weeks. b. within 4 weeks c. within 3 days d. immediately

Psychology